package com.sx.ad.advice;

import com.sx.ad.annotation.IgnoreResponseAdvice;
import com.sx.ad.vo.CommonResponse;
import org.springframework.core.MethodParameter;
import org.springframework.http.MediaType;
import org.springframework.http.converter.HttpMessageConverter;
import org.springframework.http.server.ServerHttpRequest;
import org.springframework.http.server.ServerHttpResponse;
import org.springframework.lang.Nullable;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import org.springframework.web.servlet.mvc.method.annotation.ResponseBodyAdvice;

/**
 * @author zkx
 * @Date 2024/8/21 16:19
 */
@RestControllerAdvice
public class CommonResponseDataAdvice implements ResponseBodyAdvice<Object> {
	@Override
	public boolean supports(MethodParameter methodParameter,
							Class<? extends HttpMessageConverter<?>> aClass) {
		if (methodParameter.getDeclaringClass().isAnnotationPresent(IgnoreResponseAdvice.class)){
			return false;
		}

		if (methodParameter.getMethod().isAnnotationPresent(IgnoreResponseAdvice.class)) {
			return false;
		}

		return true;
	}

	@Override
	public Object beforeBodyWrite(@Nullable Object o,
								  MethodParameter methodParameter,
								  MediaType mediaType,
								  Class<? extends HttpMessageConverter<?>> aClass,
								  ServerHttpRequest serverHttpRequest,
								  ServerHttpResponse serverHttpResponse) {
		CommonResponse<Object> response = new CommonResponse<>(0, "");
		if (null == o) {
			return response;
		} else if (o instanceof CommonResponse) {
			response = (CommonResponse<Object>) o;
		} else {
			response.setData(o);
		}

		return null;
	}
}
